Question

What is the value of x in the equation , 7x+y=48 when y = 3?

Answer 1

x =
`(45)/(7)`

Explanation:

7x + y = 48

substitute y with 3 as given so,

7x + 3 = 48

7x = 48 - 3

7x = 45

x = 45 ÷ 7

x =
`(45)/(7)`

hope this helps